UNIX admin wrote: >> Sorry I don't have time to look at this for longer >> right now, but IIRC >> in ntp4 by default {broad,multi}casts are not trusted > > Does this also apply to NTP V3?
No, the xntpd that comes with Solaris has authentication off by default. > >> (any idiot on >> the net could start broadcasting anything) so you >> need to either >> 1. set up keys that are used to broadcast at the >> server end and >> trusted at the client end >> or >> 2. use "disable auth" to trust anything that is >> broadcast. > > True, however, if I understand correctly, broadcasts and multicasts are > normally blocked per default by any networking equipment, on edge gateways > and routers, which would make it a moot point. > > Nevertheless, your suggestion is worth a shot. I think that this is likely the problem. Either the routers do not forward the multicast packets, or the packets have a small TTL. You can easily check this by running snoop on the client and looking for packets. "snoop 224.0.0.1 port 123" should do it. -- blu There are two rules in life: Rule 1- Don't tell people everything you know ---------------------------------------------------------------------- Brian Utterback - Solaris RPE, Sun Microsystems, Inc. Ph:877-259-7345, Em:brian.utterback-at-ess-you-enn-dot-kom